134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
// Scintilla source code edit control
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/** @file EditModel.cxx
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** Defines the editor state that must be visible to EditorView.
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**/
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// Copyright 1998-2014 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <cstddef>
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#include <cstdlib>
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#include <cstdint>
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#include <cassert>
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#include <cstring>
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#include <cmath>
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#include <stdexcept>
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#include <string>
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#include <string_view>
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#include <vector>
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#include <map>
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#include <set>
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#include <optional>
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#include <algorithm>
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#include <memory>
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#include "ScintillaTypes.h"
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#include "ILoader.h"
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#include "ILexer.h"
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#include "Debugging.h"
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#include "Geometry.h"
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#include "Platform.h"
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#include "CharacterCategoryMap.h"
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#include "Position.h"
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#include "UniqueString.h"
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#include "SplitVector.h"
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#include "Partitioning.h"
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#include "RunStyles.h"
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#include "ContractionState.h"
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#include "CellBuffer.h"
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#include "Indicator.h"
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#include "LineMarker.h"
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#include "Style.h"
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#include "ViewStyle.h"
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#include "CharClassify.h"
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#include "Decoration.h"
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#include "CaseFolder.h"
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#include "Document.h"
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#include "UniConversion.h"
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#include "Selection.h"
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#include "PositionCache.h"
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#include "EditModel.h"
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using namespace Scintilla;
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using namespace Scintilla::Internal;
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Caret::Caret() noexcept :
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active(false), on(false), period(500) {}
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EditModel::EditModel() : braces{} {
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inOverstrike = false;
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xOffset = 0;
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trackLineWidth = false;
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posDrag = SelectionPosition(Sci::invalidPosition);
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braces[0] = Sci::invalidPosition;
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braces[1] = Sci::invalidPosition;
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bracesMatchStyle = StyleBraceBad;
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highlightGuideColumn = 0;
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hasFocus = false;
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primarySelection = true;
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imeInteraction = IMEInteraction::Windowed;
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bidirectional = Bidirectional::Disabled;
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foldFlags = FoldFlag::None;
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foldDisplayTextStyle = FoldDisplayTextStyle::Hidden;
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hotspot = Range(Sci::invalidPosition);
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hotspotSingleLine = true;
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hoverIndicatorPos = Sci::invalidPosition;
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wrapWidth = LineLayout::wrapWidthInfinite;
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reprs = std::make_unique<SpecialRepresentations>();
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pdoc = new Document(DocumentOption::Default);
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pdoc->AddRef();
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pcs = ContractionStateCreate(pdoc->IsLarge());
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}
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EditModel::~EditModel() {
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try {
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// This never throws but isn't marked noexcept for compatibility
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pdoc->Release();
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} catch (...) {
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// Ignore any exception
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}
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pdoc = nullptr;
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}
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bool EditModel::BidirectionalEnabled() const noexcept {
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return (bidirectional != Bidirectional::Disabled) &&
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(CpUtf8 == pdoc->dbcsCodePage);
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}
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bool EditModel::BidirectionalR2L() const noexcept {
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return bidirectional == Bidirectional::R2L;
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}
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SurfaceMode EditModel::CurrentSurfaceMode() const noexcept {
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return SurfaceMode(pdoc->dbcsCodePage, BidirectionalR2L());
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}
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void EditModel::SetDefaultFoldDisplayText(const char *text) {
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defaultFoldDisplayText = IsNullOrEmpty(text) ? UniqueString() : UniqueStringCopy(text);
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}
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const char *EditModel::GetDefaultFoldDisplayText() const noexcept {
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return defaultFoldDisplayText.get();
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}
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const char *EditModel::GetFoldDisplayText(Sci::Line lineDoc) const noexcept {
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if (foldDisplayTextStyle == FoldDisplayTextStyle::Hidden || pcs->GetExpanded(lineDoc)) {
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return nullptr;
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}
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const char *text = pcs->GetFoldDisplayText(lineDoc);
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return text ? text : defaultFoldDisplayText.get();
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}
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InSelection EditModel::LineEndInSelection(Sci::Line lineDoc) const {
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const Sci::Position posAfterLineEnd = pdoc->LineStart(lineDoc + 1);
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return sel.InSelectionForEOL(posAfterLineEnd);
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}
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int EditModel::GetMark(Sci::Line line) const {
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return pdoc->GetMark(line, FlagSet(changeHistoryOption, ChangeHistoryOption::Markers));
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}
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